场协同分析外部流动及板翅管换热器周期性热流体优化 

世界范围内能源利用面临着严重的问题,存在能源利用效率低和换热器笨重的缺点,使该系统的经济可行性有所降低。在板翅管换热器中,为了得到高效率的能源转化技术,建立数学模型对换热器进行优化分析,使用场协同理论(FSP)作为强化传热的方法和理论依据。抛物型能量方程使用格林函数结合加权残差方法求解得到温度分布。然后,通过对管壁面几...
大连理工大学  博士论文  2015年 下载次数(180)| 被引次数(1)

Progress in entransy theory and its applications 

The entransy and entransy dissipation extremum principle proposed have opened up a new direction for the heat transfer optimi-zation. The emergence and developm...
《Chinese Science Bulletin》  2012年 第34期 下载次数(143)| 被引次数(43)

两相热虹吸管传热特性研究 

利比亚是一个北非国家,由于盛产石油,过去对余热利用没有注意,但作为发展方向,节能将成为国策,包括将把热管技术移植利比亚,因此本论文以热管研究作为选题。 论文对重力热管(包括闭式及半开式)的传热特性进行系统的理论与实验研究,包括:工质选用,沸腾换热(大容积液池及小容积液池),凝结换热(在垂直...
浙江大学  博士论文  1998年 下载次数(344)| 被引次数(0)

Optimization of heat transfer and heat-work conversion based on generalized heat transfer law 

Examples of heat transfer and heat-work conversion are optimized with entropy generation and entransy loss,respectively based on the generalized heat transfer l...
《Science China(Technological Sciences)》  2012年 第10期 下载次数(83)| 被引次数(13)

High-efficient thermochemical sorption refrigeration driven by low-grade thermal energy 

Thermochemical sorption refrigeration powered by low-grade thermal energy is one of the energy-saving and environment friendly green refrigeration technologies....
《Chinese Science Bulletin》  2009年 第06期 下载次数(210)| 被引次数(7)

Research Status and Development of Heat Pipe 

This paper summarizes the principle, characteristics, classification, research status of heat pipe system in waste heat recovery, and the development trend of n...
《科技视界》  2018年 第24期 下载次数(20)| 被引次数()

Differences and relations of objectives, constraints, and decision parameters in the optimization of individual heat exchangers and thermal systems 

Performance improvement of heat exchangers and the corresponding thermal systems benefits energy conservation, which is a multi-parameters, multi-objectives and...
《Science China(Technological Sciences)》  2016年 第07期 下载次数(46)| 被引次数(5)

Performance analysis of air-water dual source heat pump water heater with heat recovery 

A new air-water dual source heat pump water heater with heat recovery is proposed.The heat pump system can heat water by using a single air source,a single wate...
《Science China(Technological Sciences)》  2012年 第08期 下载次数(667)| 被引次数(10)

Experimental Study and Analysis on Heat Transfer Coefficient of Radial Heat Pipe 

The experimental study was performed on five eccentric radial heat pipes with two outer-tube diameters.The test range can be given as follows,working fluid fill...
《Journal of Thermal Science》  2010年 第05期 下载次数(84)| 被引次数(5)

Analysis of the effects of the heat of sorption on the process of heat transfer in moisture exchange across a membrane 

A theoretical study has been conducted to investigate the effects of mass transfer on heat transfer in moisture exchange across a membrane and a mathematical mo...
《Science in China(Series E:Technological Sciences)》  2008年 第12期 下载次数(31)| 被引次数(5)

Investigation of internally finned LED heat sinks 

A novel heat sink is proposed, which is composed of a perforated cylinder and internally arranged fins.Numerical studies are performed on the natural convection...
《Journal of Semiconductors》  2018年 第03期 下载次数(60)| 被引次数(1)

Characteristics of Fluid Flow and Heat Transfer in the Shell Side of the Trapezoidal-like Tilted Baffles Heat Exchanger 

Periodic whole cross-section computation models are established for segmental baffle heat exchanger, shutter baffle heat exchanger, and trapezoid-like tilted ba...
《Journal of Thermal Science》  2018年 第06期 下载次数(59)| 被引次数()

A Review of Heat Transfer Enhancement through Flow Disruption in a Microchannel 

In this paper a comprehensive review of heat transfer enhancement through microchannels has been presented. Over the past few years due to multifunction, shrink...
《Journal of Thermal Science》  2015年 第03期 下载次数(137)| 被引次数(4)

Entransy: its physical basis, applications and limitations 

In this paper, the physical basis and application conditions of the entransy theory are reviewed and discussed. Entransy can be obtained from the analogy betwee...
《Chinese Science Bulletin》  2014年 第36期 下载次数(71)| 被引次数(26)

Constructal optimization for H-shaped multi-scale heat exchanger based on entransy theory 

Analogizing with the definition of thermal efficiency of a heat exchanger,the entransy dissipation efficiency of a heat exchanger is defined as the ratio of dim...
《Science China(Technological Sciences)》  2013年 第02期 下载次数(462)| 被引次数(18)

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